Compare contrast research paper sample

Teacher: I learned a lot about alligators and crocodiles from that passage. I noticed that the way the passage compared and contrasted alligators and crocodiles really helped me understand the ways that alligators and crocodiles are the same, and the ways that they are different. I also noticed that there were certain words and phrases that I saw as I was reading that let me know that this was a compare and contrast passage. Let's go back to the passage now and see if we can find any words or phrases that let us know that the passage is comparing and contrasting two types of animals. [Teacher and students read through the passage again, and create a list of compare-contrast words and phrases that includes both, similar, but, different, compare, and to tell apart.]